Tower



FIG. 1 is a perspective view of a tower showing our new design;

FIG. 2 is a front elevation view of the tower shown in FIG. 1;

FIG. 3 is a rear elevation view of the tower shown in FIG. 1;

FIG. 4 is a left-side elevation view of the tower shown in FIG. 1;

FIG. 5 is a right-side elevation view of the tower shown in FIG. 1; and,

FIG. 6 is a top-plan view of the tower shown in FIG. 1.

The broken lines shown represent unclaimed subject matter and form nopart of the claimed design.

CLAIM The ornamental design for a tower, as shown and described.